Anybody interested in star/pentagram rims?

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member15525

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New to the forum so bear with me I suppose. Yesterday I bought a pair of nearly matching 75 Yamaha 650s for me and my brother. The only thing not matching is the front wheel on mine, it is a star mag. I have a friend giving me a leftover wire rim from his 650 project but I want to know if anyone is interested in the mag. I don't know what kind of price to put on it so I'm just testing the waters. It is super cool so if no one wants it I will stick it on the wall or on the front of some bobber project.

Thanks for any info or interest!
 
Pics would be nice, can't price it if we can't see it.
Leo
 

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Just the front and from what I have seen they were a yamaha part. Thought about putting it up on ebay but I doubt enough people are looking for them there. I do like the garden hose idea though :laugh:
 
The last one I saw on ebay sold for around $400 a couple of years ago.
They were an accessory item for the XS.
Hang a hose on it if you want but I'd stash it and be looking for the rear.
If interested in selling I'll offer you $250.
I'm on the road with unreliable connections, if any, but will check for a pm tonight or tomorrow.
 
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The front is plug and play for the XS650, the rear is NOS but was for "some other" Yamaha, will need some spacers made. The centers and drilling for sprocket and rotor are right but the flanges are too close together so will have to space both out a bit. The bearing bores are also the right ID, but I will need to machine spacers there also, to set the correct distances out from center, so that all stock XS axle spacers, caliper carrier, etc are bolt on. After I bought that rear the seller revealed he also had an NOS rear FOR the XS650 but wasn't interested in selling it.
 
nice score gggGary! i have a set but haven't come close to installing them yet. i found a tx500 last year that had a set installed on it.
 
gggGary said:
View attachment 99342 View attachment 99343
The front is plug and play for the XS650, the rear is NOS but was for "some other" Yamaha, will need some spacers made. The centers and drilling for sprocket and rotor are right but the flanges are too close together so will have to space both out a bit. The bearing bores are also the right ID, but I will need to machine spacers there also, to set the correct distances out from center, so that all stock XS axle spacers, caliper carrier, etc are bolt on. After I bought that rear the seller revealed he also had an NOS rear FOR the XS650 but wasn't interested in selling it.
Click to expand...


I have a thread around here somewhere showing how I tried to fit a set of these. Mine were for a 500 and it sounds like you have the exact same issue with the rear while that I did. I don't think it's insurmountable. I just gave up and went with wire wheels. I sold my wheels, but I'm 99% sure I still have the caliper, caliper hanger, brake hoses and a rebuilt Hurst Airheart master cylinder for the rear wheel. If you're interested, let me know.
 
The plan is to use all stock bearings spacers etc. I have the "hat" off the center spacer because the mag flanges are too small for it to fit in. I think I will make a recess on the bearing spacers to keep it "about" centered instead.
20170508_092449-1.jpg

There's a guy on fleabay sells a bunch of aluminum bar "drops" from some plant that makes BIG aluminum stuff, so will have "decently close" size blanks to start from. There will be a pile of aluminum swarf on the ole southbend 9" .
 
Yes, it looks like you're dealing with a TX/XS500 rear wheel. The axle diameter and sprocket mount are the same so that eliminates those issues, but the hub is narrower. On the spoke hub I'm trying to adapt, I found it needed to be moved about 8mm to the right to center the wheel in the swingarm and align it with the front. Then the sprocket had to be spaced back to compensate for the wheel movement. As luck would have it, I found the perfect spacer source in the old 500 sprocket. It's just the right thickness needed and at 42T, no good for 650 use .....

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5twins how was it to cut and shape the sprocket?
What about keeping the sprocket centered now? was thinking, blue locktite on the spacer and sprocket faces just before bolt up. might have to have it on a stand, to check adjust run-out before final tightening.
My prelim measurements came up with about 7mm further out so agreed!
I came up with having to move the rotor out about 17mm so centering on that side is a bigger deal.
I think it will be far enough that I can make a Z shaped spacer to keep the rotor centered.
The bearings on the 650 hub are spaced considerably further out than the 500 hub the bores on the star wheel are very deep so the bearings will be fully supported with room for the grease seals too. Obviously the star wheel castings and as much machining as possible was shared between models. Mr, aluminum blank came back with good numbers so will order up some stock.
 
It wasn't bad cutting the sprocket, I just used HF cut-off wheels on a 4 1/2" grinder. Shaping wasn't bad either, just a grinder. To smooth the edge of the finished sprocket spacer, I used coarse Roloc discs in a die grinder. They smooth steel real nice. The retaining ring for the cush drive on the 500 spoke hub sticks up higher and I figured that would help with keeping the sprocket centered. I suppose you could weld the spacer to the sprocket. That sprocket would only work on that wheel after that but so what. I did buy slightly longer bolts to use with the spacer + sprocket too.
 

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